IL Corn welcomes updated information from the U.S. Department of Agriculture (USDA) that finds greenhouse gas emissions from corn-based ethanol are about 39 percent lower than gasoline. The study also states that when ethanol is refined at natural gas-powered refineries, the greenhouse gas emissions are even lower, around 43 percent below gasoline.
IL Corn discussed these updated findings this week at a meeting in the Chicago area with key researchers, including Dr. Steffen Mueller of the University of Illinois Chicago Energy Resources Center. IL Corn checkoff dollars have funded Mueller’s research and it plays an ongoing role in the discussions regarding the environmental benefits of ethanol in the U.S. and in growing overseas ethanol exports markets.
“These new findings provide further evidence that biofuels from America's heartland reduce greenhouse gases even more than we thought, and that our farmers and ethanol plants continue to become more efficient and effective,” said Secretary Sonny Perdue. “President Trump has made it abundantly clear he is unleashing the full potential of American energy production as we retake our rightful place as the world’s leader. Expanding the sale of E15 year-round will provide consumers with more choices when they fill up at the pump, including environmentally friendly fuel with decreased emissions. I appreciate EPA Administrator Andrew Wheeler moving expeditiously to finalize the E-15 rule before the start of summer driving season.”
The study, titled “The greenhouse gas benefits of corn ethanol—assessing recent evidence,” attributes much of these additional benefits to revised estimates of the impacts of land-use change as a result of demand for ethanol. Where previous estimates anticipated farmers bringing additional land into production as a result of increased corn prices, recent analyses finds only modest increases in crop acreage. Additional improvements at ethanol refineries, combined with on-farm conservation practices that reduce greenhouse gas emissions, such as reduced tillage and cover crops, have further decreased emissions associated with corn ethanol. The study projects that with added improvements in refineries and on farms, a reduction of over 70 percent in lifecycle emissions is possible by 2022.
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